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Oldsmobile
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1997
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Cutlass V6-191 3.1L VIN M SFI
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Adjustments
Ignition Timing: Adjustments
Because the reluctor wheel is a precision machined part of the crankshaft and the Crankshaft Position (CKP) sensor is mounted in an accurately located, fixed position, timing adjustment is not possible or necessary.